EXSYS EX-1311VIS USB 2.0 to RS-422/RS-485 Serial Adapter with 2.5 kV Isolation

The EXSYS EX-1311VIS is a high-performance USB 2.0 to RS-422/RS-485 serial adapter designed for industrial and commercial applications requiring reliable, isolated serial communication. Featuring a robust FTDI chipset and 2.5 kV optical isolation, this adapter ensures data integrity and protection against voltage spikes and ground loops. With support for data rates up to 921.6 Kbps and switchable 120 Ohm termination for RS-485, it is ideal for connecting legacy serial devices to modern computers.

Advantages

This adapter offers galvanic isolation to protect your equipment, ESD protection up to 15 kV, and broad OS compatibility including Windows, Linux, and macOS. The integrated USB cable (approx. 0.8 m) and included DB9 male to 5-pin terminal block adapter provide flexible connectivity. LED indicators for power, TX, and RX simplify troubleshooting.

Suitable for

• Industrial automation and control systems
• POS systems, barcode scanners, and serial printers
• PLC programming and monitoring
• Laboratory and measurement equipment
• Any RS-422/RS-485 network requiring isolation

Key specifications

• Host Interface: USB 2.0 (backward compatible with USB 1.1)
• Serial Standard: RS-422 / RS-485
• USB Connector: USB Type-A Male
• Serial Connector: DB9 Male (with included 5-pin terminal block adapter)
• Data Transfer Rate: Up to 921.6 Kbps
• Chipset: FTDI
• Optical Isolation: 2.5 kV (2500V)
• ESD Protection: 15 kV
• Operating Modes: 4-wire RS-422, 2-wire RS-485
• Termination Resistor: Switchable 120 Ohm for RS-485
• Power Source: USB Bus-powered
• OS Compatibility: Windows (XP/Vista/7/8/10/11), Linux, macOS
• LED Indicators: Power, TX (Transmit), RX (Receive)
• Operating Temperature: 0°C to 70°C
• Housing Material: Plastic
• Cable Length: Integrated USB cable (approx. 0.8m)
• Flow Control: Hardware (RTS/CTS), Software (XON/XOFF)
• Certifications: CE, FCC, RoHS

Recommendations

For optimal performance in noisy environments, use shielded twisted-pair cable for RS-485 connections. Ensure proper termination is set according to your network configuration. This adapter is a reliable choice for integrating serial devices into modern USB-equipped systems.